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Psychology CH 6

TermDefinition
Parallel Processing processing many things at once
Young-Hemholtz Trichromatic Theory 3 Color receptors: red, blue, green
Opponent-Process Theory red-green, yellow-blue, white-black, enable vision.
Audition act of hearing
Frequency the number of complete wavelengths at a given time
Pitch tone's highness or lowness
Middle Ear between the eardrum and the cochlea (hammer, anvil, stirrup)
Cochlea coiled, bony, liquid filled inner ear
Inner Ear innermost part of ear (cochlea, semicircular canals, vestibular sacs
Place Theory pitch related to stimulus on cochlea membrane
Frequency Theory rate of nerve impulse= tone frequency
Conduction Hearing Loss hearing loss by damage to the cochlea receptors
Sensorineural Hearing Loss hearing loss damage to the cochlea nerves
Cochlear Implant device that replaces cochlea and converts sound
Kinethesis sensing whereabouts of individual parts
Vestibular Sense body sensory movement, position, and balance
Gate-control Theory spinal cord has "gates" impulses pass through for pain
Sensory Interaction one sense influences another (smell and taste)
Gestalt organized whole
Figure-ground organizing visual fields to objects
Grouping organize stimuli into similar groups
Depth Perception seeing in 3-D
Visual Cliff device to test depth perception
Binocular Cues depth cues
Retinal Disparity sensing depth by comparing to slightly different pictures
monocular cues depth cues by interposition and linear perspective
Phi Phenomenon movement illusion from standstill objects
Perceptual Consistancy perceiving unchanging objects
Color Constancy perceiving same objects with the same color
Perceptual Adaption adjust and artificially displace
Perceptual Set perceive one thing and not anohter
Human Factors Psychology explores how people and machines interact
Extrasensory Perception perceive other than sensory input (telepathy, clairvoyance)
Parapsychology study of paranormal phenomenon (ESP, psychokinesis)
Sensation process environment stimuli are received
Perception organizing and interpreting sensory into understanding
Bottom-up Processing focusing with sensory receptors then other information
Top-down Processing Higher mental process by constructing drawings on experience and expectations
Psychophysics study relation between stimuli and psychological experience
Absolute Threshold minimal stimuli needed to perceive fifty percent of the time
Signal Detection Theory predicts how and when detection of faint stimuli begins to fail
Subliminal hidden message
Priming unconsciously activating perception, memory, and response
Difference Threshold smallest difference between stimuli that is detectable
Weber's Law for perception stimuli must have constant minimal perception
Sensory Adaptation more constant stimulation equals less sensing it
Transduction converting energy into another form of energy
Wavelength the length between toe two crests of waves
Hue the color created by wavelength
Intensity the amount of energy we perceive
Pupil adjustable opening in center of eye
Iris Muscle around the pupil
Lens clear film behind pupil
Retina inner surface of eye that is light sensitive
Accomodation eye lens changes shape to focus
Rods retinal receptors that detects black, white, and gray
Cones retinal receptors that function in daylight and detect color
Optic Nerve carries neural impulse from eye to brain
Blind Spot the optic nerve leaves the eye at this point and there are no receptors there
Fovea center focus of retina
Feature Detectors nerve cells in brain that respond to specific stimuli, shape, angle and movement
Created by: angelchocolate
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